so that's why tonight the government is work sowing hard to locate and block these ongoing attacks. pierre thomas, abc news, washington. >>> now to politics and 39 days until the election. but a lot of people don't have to wait until november 6. the first votes in the 2012 presidential election have been cast. early balloting got under way in iowa. president obama has three fundraisers in washington tonight. after spending yesterday in virginia, where he hammered away at mitt romney's comments about the 47%. meanwhile, the republican challenger also spent the day in virginia focusing on the economy and new numbers showing growth is slower than we thought. after campaigning in pennsylvania today, romney heads to a fund raiser in massachusetts. and both candidates are preparing for their first debate wednesday night in colorado where they will tackle domestic policy, use. >>> we are following a developing story from minnesota. police in minneapolis are investigating a deadly work place shooting. yesterday afternoon at a sign company. we don't have an exact death toll this morning. pol